Fuel cost by truck size
Based on 1,676 miles, a gas price of $4.278 and a diesel price of $6.465 a gallon. Towing a car on a trailer or dolly lowers fuel economy by about 15%.
| Truck | MPG | Gallons | Fuel cost | Towing a car |
|---|---|---|---|---|
| Cargo van | 16 | 105 | $448 | $527 |
| 10 to 12 ft truck | 11 | 152 | $652 | $767 |
| 15 to 17 ft truck | 9 | 186 | $797 | $937 |
| 20 to 22 ft truck | 8 | 210 | $896 | $1,054 |
| 26 ft truck | 7 | 239 | $1,024 | $1,205 |
| 26 ft truck (diesel) | 8 | 210 | $1,354 | $1,593 |
The gap between the smallest and largest trucks on this route is about $576 in fuel alone, so it pays to rent only as much truck as you need.
Fuel prices at each end of the move
| Where | Gas | Diesel | Price basis |
|---|---|---|---|
| Denver, CO | $4.244 | $6.422 | Denver average |
| Washington, DC | $4.312 | $6.508 | Central Atlantic average |
Prices at the two ends are within a few cents of each other, so where you fill up matters less than how fast you drive.
Weekly retail averages from the U.S. Energy Information Administration for the week of October 19, 2026. Prices along the way will vary. EIA source
Planning the drive
A loaded box truck is slower than a car on hills and safest at moderate speeds, and most drivers find 450 miles a comfortable day. That makes Denver, CO to Washington, DC a 4-day drive, so budget for hotel nights and meals on top of fuel. The rental itself and any per-mile fees are charged separately from fuel.
Other moves
Going the other way? See Washington, DC to Denver, CO.
More moves from Denver
- Denver to New York
- Denver to Los Angeles
- Denver to Chicago
- Denver to Houston
- Denver to Phoenix
- Denver to Philadelphia
- Denver to San Diego
- Denver to Dallas
- Denver to Austin
- Denver to Charlotte
- Denver to San Francisco
- Denver to Seattle
- Denver to Nashville
- Denver to Atlanta
- Denver to Miami
- Denver to Boston
- Denver to Las Vegas
- Denver to Orlando
- Denver to Tampa
- Denver to Raleigh
- Denver to San Antonio
- Denver to Jacksonville
- Denver to Columbus
- Denver to Indianapolis
- Denver to Sacramento
- Denver to Oklahoma City
- Denver to Portland
- Denver to Louisville
- Denver to Memphis
- Denver to Baltimore
- Denver to Milwaukee
- Denver to Albuquerque
- Denver to Tucson
- Denver to Kansas City
- Denver to Salt Lake City
- Denver to Minneapolis
- Denver to Detroit
- Denver to Cleveland
- Denver to Pittsburgh
- Denver to St. Louis
- Denver to Cincinnati
- Denver to New Orleans
- Denver to Boise
- Denver to Richmond
- Denver to Birmingham
- Denver to Omaha
- Denver to Charleston
- Denver to El Paso
More moves to Washington
- New York to Washington
- Los Angeles to Washington
- Chicago to Washington
- Houston to Washington
- Phoenix to Washington
- Philadelphia to Washington
- San Diego to Washington
- Dallas to Washington
- Austin to Washington
- Charlotte to Washington
- San Francisco to Washington
- Seattle to Washington
- Nashville to Washington
- Atlanta to Washington
- Miami to Washington
- Boston to Washington
- Las Vegas to Washington
- Orlando to Washington
- Tampa to Washington
- Raleigh to Washington
- San Antonio to Washington
- Jacksonville to Washington
- Columbus to Washington
- Indianapolis to Washington
- Sacramento to Washington
- Oklahoma City to Washington
- Portland to Washington
- Louisville to Washington
- Memphis to Washington
- Baltimore to Washington
- Milwaukee to Washington
- Albuquerque to Washington
- Tucson to Washington
- Kansas City to Washington
- Salt Lake City to Washington
- Minneapolis to Washington
- Detroit to Washington
- Cleveland to Washington
- Pittsburgh to Washington
- St. Louis to Washington
- Cincinnati to Washington
- New Orleans to Washington
- Boise to Washington
- Richmond to Washington
- Birmingham to Washington
- Omaha to Washington
- Charleston to Washington
- El Paso to Washington